Biagi, Shirley.
Media/impact: an introduction to mass media /
Shirley Biagi 
. - 5th edition. - Instructor's edition 
. - Belmont : Wadsworth,  2001 
. - xxix, 425 p.  ill., tab.  25 cm. 
<br/>К.: Бібліогр. : c. 404-410, Index 
<br/><label>  ISBN: </label>0-534-57511-0